ASUS has announced ASUS Transformer AiO, an All-in-One PC with a detachable display that can also be used as a standalone tablet around the home. ASUS Transformer AiO consists of a desktop PC Station with a 3rd generation Intel Core desktop processor for outstanding Windows 8 performance, and a detachable 18.4-inch display with its own NVIDIA Tegra 3 quad-core processor for use as a self-contained tablet with Android 4.1. Here's more info on the Asus Transformer AiO:

ASUS Transformer AiO is a powerful all-in-one PC capable of handling a wide range of demanding Windows 8 productivity and entertainment applications. Designed for desktop use, its PC Station is powered by a 3rd generation Intel Core desktop processor with NVIDIA GeForce GT 730M graphics and features a comprehensive array of ports, including USB 3.0, an 18.4-inch LED-backlit display has a 1080p Full HD resolution with 10-point multi-touch and IPS technology, dual-band Wi-Fi with 5GHz and 2.4GHz, ASUS SonicMaster audio technology

When detached from the PC Station, ASUS Transformer AiO's display can be used as two different types of king-size tablet. First, wireless Remote Desktop technology with dual-band Wi-Fi provides complete multi-touch control over Windows 8 on the PC Station for easy access to popular productivity and entertainment software around the home.

Alternatively, the 18.4-inch display can also be used as a standalone tablet with Android 4.1, thanks to its built-in NVIDIA Tegra 3 quad-core processor. ASUS Transformer AiO switches seamlessly between operating systems at the press of a button and has up to five hours' battery life. The display also features a convenient carrying handle and a folding stand for comfortable tabletop use away from the PC Station.